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Soil houses

21.08.2020

Experts from the American Chemical Society (ACS) presented a building material from the soil. With the help of a 3D printer, they plan to print from it at home.

The environmental impact of the construction industry is a growing concern. Some researchers have turned to additive manufacturing, or building structures layer by layer, often done with a 3D printer. This progress has begun to transform the construction sector in terms of reducing waste, but the materials used in the process must also be sustainable.

The use of concrete in the additive manufacturing of building structures turned out to be fast and cheap. However, the International Energy Agency claims that concrete production produces 7% of carbon dioxide emissions.

It is convenient to build from the soil, because the soil does not have to be carried far. This means savings on shipping costs. Additive manufacturing with the help of soil is dreamed of using for the colonization of the Moon and Mars.

Chemists treated the soil with an environmentally friendly additive to work with it without any problems on a 3D printer. The microscopic layers on the surface of the clay mixture were "buttoned" so that it would not absorb water and expand, destroying the structure. It turned out that after processing, the clay mixture holds twice as much weight.

Scientists intend to improve the bearing capacity of the soil. It is assumed that the material is environmentally friendly. If this is confirmed, the technology will be tested on other planets.

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Random news from the Archive

Motherboards based on the H81 chipset from Gigabyte 01.09.2013

Gigabyte has offered users motherboards based on the H81 chipset for Haswell processors. Recall that earlier boards based on the Z87 chipset for enthusiasts were announced, and now on the H81, aimed at entry-level users.

The most interesting thing is that there is support for 4K resolution via HDMI or DisplayPort, the On / Off Charge function has been added, which allows you to charge your smartphone or tablet even during sleep mode or the computer is turned off (software shutdown).

The boards implement the unique GIGABYTE UEFI DualBIOS technology, which consists in the fact that the board contains two microcircuits with recorded copies of the BIOS. This helps protect the BIOS microcode from damage. The causes of damage can be viruses, failed PC components, overclocking errors and voltage drops at the time of updating the BIOS.

The LAN and USB ports are equipped with enhanced ESD protection. Each port is paired with a special protective filter that can withstand severe ESD, protecting the system from power surges and during thunderstorms, according to Gigabyte.

The company says that the new products use only solid capacitors and Low RDS (on) field-effect transistors with reduced channel resistance, capable of operating at high temperatures for more than 50 hours.

The H81 line consists of eight motherboards, four of which you can already purchase in online stores (GA-H81-D3, GA-H81M-S2PV, GA-H81M-S2PH, GA-H81M-DS2).

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